This a historical adventure, set in the 1760s mostly in England with a side trip to the Colonies. It revolves around preserving the reputation of the Hell Fire Club, an organisation dedicated to rational philosophy (God does not exist... in a day and age when everyone believed or at least gave lip-service to religion) and fine literature (as in, pornography) - not perhaps the most respectable body, yet many otherwise upstanding members of society belong to it.
There is plenty of background for the Keeper including what is actually going on and the REAL threat to their comfortable Club life, notes on the times and relevant rules changes: some alterations to skills and rules for adjudicating a duel. These are normally conducted with a sword, and all gentlemen should know at least the basics of wielding one. Fortunately pre-generated characters are provided, and it's probably best to use them. Unless you are really into this period of history, it will probably be a one-off adventure.
The adventure begins when the Investigators meet in a coffee house (consider the origins of Lloyd's of London, it's either that or a similar establishment) with a fellow Club-member who wants help. A lady is trying to force him into marriage, most unsuitable - I mean, she's the sort of person who's been posing as a life model - but has some letters of his she is threatening to use to take him to court in a Breach of Promise case if he won't. He's arranged for her to visit tonight and wants the party to go and purloin the letters whilst she is out at his place. Needless to say, it's not the letters they find when they go round... and what are those American fellows doing?
Events develop thick and fast, with an emergency meeting of the Hell Fire Club, various events on the streets of London and assorted avenues of enquiry to follow up all amply provided for... and there is an inquisitive journalist poking around, and some ladies of negotiable affection to deal with as well. There probably will not be too much combat (unless the party fights a lot of duels) but there is plenty of interaction, and to put matters properly to rest will involve a trip to Bermuda to deal with those Colonials! A suitably dramatic climax provides an opportunity to save the day, indeed the entire New World.
This is an interesting adventure that - like all good alternative history - blends historical fact with plausible plotlines, weaving the whole into something that might have been... it makes for a cracking adventure with plenty going on!
[5 of 5 Stars!]